The Black Diamond Pressure Switch is a genuine replacement part designed to regulate air pressure and maintain reliable operation of your air compressor. With a pressure range of 95–125 PSI, this durable 4 port pressure switch with an integrated bleeder allows the compressor motor to cycle on and off at the correct pressure levels for efficient performance. Ideal for replacing a faulty switch when the motor cuts out prematurely or does not start at the proper PSI, it delivers long lasting performance to keep your compressor running smoothly and efficiently.